THIS DIGITAL VIDEO PLAYER EMPLOYS A LASER SYSTEM.
TO ENSURE PROPER USE OF THIS PRODUCT, PLEASE READ THIS SERVICE MANUAL CARE-
FULLY AND RETAIN FOR FUTURE REFERENCE. SHOULD THE UNIT REQUIRE MAINTENANCE,
CONTACT AN AUTHORIZED SERVICE LOCATION-SEE SERVICE PROCEDURE.
USE OF CONTROLS, ADJUSTMENTS OR THE PERFORMANCE OF PROCEDURES OTHER THAN
THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.
TO PREVENT DIRECT EXPOSURE TO LASER BEAM, DO NOT TRY TO OPEN THE ENCLOSURE.
VISIBLE LASER RADIATION MAY BE PRESENT WHEN THE ENCLOSURE IS OPENED. DO NOT
STARE INTO BEAM.
Location of the required Marking
The rating sheet and the safety caution are on the rear of the unit.
CERTIFICATION: COMPLIES WITH FDA
RADIATION PERFORMANCE STANDARDS,
21 CFR SUBCHAPTER J.
A1-1
SERVICING NOTICES ON CHECKING
As for the places which need special attentions,
they are indicated with the labels or seals on the
cabinet, chassis and parts. Make sure to keep the
indications and notices in the operation manual.
2. AVOID AN ELECTRIC SHOCK
There is a high voltage part inside. Avoid an
electric shock while the electric current is
flowing.
3. USE THE DESIGNATED PARTS
The parts in this equipment have the specific
characters of incombustibility and withstand
voltage for safety. Therefore, the part which is
replaced should be used the part which has
the same character.
Especially as to the important parts for safety
which is indicated in the circuit diagram or the
table of parts as a mark, the designated
parts must be used.
4. PUT PARTS AND WIRES IN THE
ORIGINAL POSITION AFTER
ASSEMBLING OR WIRING
There are parts which use the insulation
material such as a tube or tape for safety, or
which are assembled in the condition that
these do not contact with the printed board.
The inside wiring is designed not to get closer
to the pyrogenic parts and high voltage parts.
Therefore, put these parts in the original
positions.
5. TAKE CARE TO DEAL WITH THE
CATHODE-RAY TUBE
In the condition that an explosion-proof cathoderay tube is set in this equipment, safety is
secured against implosion. However, when
removing it or serving from backward, it is
dangerous to give a shock. Take enough care to
deal with it.
6. AVOID AN X-RAY1. KEEP THE NOTICES
Safety is secured against an X-ray by considering about the cathode-ray tube and the high
voltage peripheral circuit, etc.
Therefore, when repairing the high voltage peripheral circuit, use the designated parts and
make sure not modify the circuit.
Repairing except indicates causes rising of high
voltage, and it emits an X-ray from the cathoderay tube.
PERFORM A SAFETY CHECK AFTER
7.
SERVICING
Confirm that the screws, parts and wiring which
were removed in order to service are put in the
original positions, or whether there are the
portions which are deteriorated around the
serviced places serviced or not. Check the
insulation between the antenna terminal or
external metal and the AC cord plug blades.
And be sure the safety of that.
(INSULATION CHECK PROCEDURE)
1.
Unplug the plug from the AC outlet.
2.
Remove the antenna terminal on TV and turn
on the TV.
3.
Insulation resistance between the cord plug
terminals and the eternal exposure metal
[Note 2] should be more than 1M ohm by
using the 500V insulation resistance meter
[Note 1].
4.
If the insulation resistance is less than 1M
ohm, the inspection repair should be
required.
[Note 1]
If you have not the 500V insulation
resistance meter, use a Tester.
[Note 2]
External exposure metal: Antenna terminal
Earphone jack
HOW TO ORDER PARTS
Please include the following informations when you order parts. (Particularly the VERSION LETTER.)
1. MODEL NUMBER and VERSION LETTER
The MODEL NUMBER can be found on the back of each product and the VERSION LETTER can be
found at the end of the SERIAL NUMBER.
2. PART NO. and DESCRIPTION
You can find it in your SERVICE MANUAL.
A1-2
IMPORTANT SAFEGUARDS
1.
READ INSTRUCTIONS
All the safety and operating instructions should be read before the unit is operated.
2.
RETAIN INSTRUCTIONS
The safety and operating instructions should be retained for future reference.
3.
HEED WARNINGS
All warnings on the unit and in the operating instructions should be adhered to.
4.
FOLLOW INSTRUCTIONS
All operating and use instructions should be followed.
5.
CLEANING
Unplug this unit from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning.
6.
ATTACHMENTS
Do not use attachments not recommended by the unit’s manufacturer as they may cause hazards.
7.
WATER AND MOISTURE
Do not use this unit near water. For example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a wet basement, or near a
swimming pool.
8.
ACCESSORIES
Do not place this unit on an unstable cart, stand, tripod, bracket, or table. The unit may fall,
causing serious injury, and serious damage to the unit. Use only with a cart, stand, tripod,
bracket, or table recommended by the manufacturer.
8A.
An appliance and cart combination should be moved with care. Quick stops, excessive force,
and uneven surfaces may cause the appliance and cart combination to overturn.
9.
VENTILATION
Slots and openings in the cabinet and in the back or bottom are provided for ventilation, to ensure reliable operation of the unit, and
to protect it from overheating. These openings must not be blocked or covered. The openings should never be blocked by placing
the unit on a bed, sofa, rug, or other similar surface. This unit should never be placed near or over a radiator or heat source. This
unit should not be placed in a built-in installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer’s instructions have been adhered to.
10.
POWER SOURCES
This unit should be operated only from the type of power source indicated on the rating plate. If you are not sure of the type of
power supply to your home, consult your appliance dealer or local power company. For units intended to operate from battery
power, or other sources, refer to the operating instructions.
11.
GROUNDING OR POLARIZATION
This unit is equipped with a polarized alternating-current line plug (a plug having one blade wider than the other). This plug will fit
into the power outlet only one way. This is a safety feature. If you are unable to insert the plug fully into the outlet, try reversing the
plug. If the plug should still fail to fit, contact your electrician to replace your obsolete outlet. Do not defeat the safety purpose of the
polarized plug. If your unit is equipped with a 3-wire grounding-type plug, a plug having a third (grounding) pin, this plug will only fit
into a grounding-type power outlet. This too, is a safety feature. If you are unable to insert the plug into the outlet, contact your
electrician to replace your obsolete outlet. Do not defeat the safety purpose of the grounding-type plug.
12.
POWER-CORD PROTECTION
Power-supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them,
paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the appliance.
13.
LIGHTNING
To protect your unit from a lightning storm, or when it is left unattended and unused for long periods of time, unplug it from the wall
outlet and disconnect the antenna or cable system. This will prevent damage to the unit due to lightning and power line surges.
14.
POWER LINES
An outside antenna system should not be located in the vicinity of overhead power lines or other electric light or power circuits, or
where it can fall into such power lines or circuits. When installing an outside antenna system, extreme care should be taken to
keep from touching such power lines or circuits, as contact with them might be fatal.
15.
OVERLOADING
Do not overload wall outlets and extension cords, as this can result in a risk of fire or electric shock.
16.
OBJECT AND LIQUID ENTRY
Do not push objects through any openings in this unit, as they may touch dangerous voltage points or short out parts that could
result in fire or electric shock. Never spill or spray any type of liquid into the unit.
17.
OUTDOOR ANTENNA GROUNDING
If an outside antenna or cable system is connected to the unit, be sure the antenna or cable system is grounded so as to provide
some protection against voltage surges and built-up static charges. Section 810 of the National Electrical Code, ANSI/NFPA 70,
provides information with respect to proper grounding of the mast and supporting structure, grounding of the lead-in wire to an
antenna discharge unit, size of grounding conductors, location of antenna discharge unit, connection to grounding electrodes, and
requirements for the grounding electrode.
18.
SERVICING
Do not attempt to service this unit yourself as opening or removing covers may expose you to dangerous voltage or other hazards.
Refer all servicing to qualified service personnel.
PORT ABLE CAR T WARNING
(symbol provided by RETAC)
S3126A
A1-3
IMPORTANT SAFEGUARDS(CONTINUED)
DAMAGE REQUIRING SERVICE
19.
Unplug this unit from the wall outlet and refer servicing to qualified service personnel under the following conditions:
a.
When the power-supply cord or plug is damaged.
b.
If liquid has been spilled, or objects have fallen into the unit.
c.
If the unit has been exposed to rain or water.
d.
If the unit does not operate normally by following the operating instructions. Adjust only those controls that are covered by
the operating instructions, as an improper adjustment of other controls may result in damage and will often require extensive
work by a qualified technician to restore the unit to its normal operation.
e.
If the unit has been dropped or the cabinet has been damaged.
f.
When the unit exhibits a distinct change in performance, this indicates a need for service.
REPLACEMENT PARTS
20.
When replacement parts are required, be sure the service technician uses replacement parts specified by the manufacturer or
those that have the same characteristics as the original parts.
Unauthorized substitutions may result in fire, electric shock or other hazards.
SAFETY CHECK
21.
Upon completion of any service or repairs to this unit, ask the service technician to perform safety checks to determine that the unit
is in proper operating condition.
WALL OR CEILING MOUNTING
22.
The product should be mounted to a wall or ceiling only as recommended by the manufacturer.
HEAT
23.
The product should be situated away from heat sources such as radiators, heat registers, stoves, or other products (including
amplifiers) that produce heat.
DISC TRAY
24.
Keep your fingers well clear of the disc tray as it is closing. It may cause serious personal injury.
CONNECTING
25.
When you connect the product to other equipment, turn off the power and unplug all of the equipment from the wall outlet. Failure
to do so may cause an electric shock and serious personal injury. Read the owner's manual of the other equipment carefully and
follow the instructions when making any connections.
SOUND VOLUME
26.
Reduce the volume to the minimum level before you turn on the product. Otherwise, sudden high volume sound may cause
hearing or speaker damage.
SOUND DISTORTION
27.
Do not allow the product output distorted sound for a longtime. It may cause speaker overheating and fire.
HEADPHONES
28.
When you use the headphones, keep the volume at a moderate level. If you use the headphones continuously with high volume
sound, it may cause hearing damage.
LASER BEAM
29.
Do not look into the opening of the disc tray or ventilation opening of the product to see the source of the laser beam. It may cause
sight damage.
DISC
30.
Do not use a cracked, deformed, or repaired disc. These discs are easily broken and may cause serious personal injury and
product malfunction.
NOTE TO CATV SYSTEM INSTALLER
31.
This reminder is provided to call the CATV system installer’s attention to Article 820-40 of the NEC that provides guidelines for
proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding system of the building, as
close to the point of cable entry as practical.
EXAMPLE OF ANTENNA GROUNDING AS PER THE NATIONAL ELECTRICAL CODE
ELECTRIC SERVICE
NEC-NATIONAL ELECTRICAL CODE
S2898A
GROUND CLAMP
EQUIPMENT
ANTENNA LEAD IN WIRE
ANTENNA DISCHARGE UNIT
(NEC SECTION 810-20)
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
GROUND CLAMPS
POWER SERVICE GROUNDING ELECTRODE SYSTEM
(NEC ART 250, PART H)
A1-4
DISC REMOVAL METHOD AT NO POWER SUPPLY
1.
Remove the Back Cabinet and AV PCB/DVD Block. (Refer to item 1 of the DISASSEMBLY
INSTRUCTIONS.)
2.
Slide the Rack Loading (White) toward the arrow direction by using a minus driver to release the lock.
(Refer to Fig. 1)
3.
Draw the Tray.
Rack Loading
(White)
Deck CD
Fig. 1
PARENTAL CONTROL - RATING LEVEL
4 DIGIT PASSWORD CANCELLATION
If the stored 4 digit password in the Rating Level menu needs to be cancelled, please follow the steps below.
Turn Unit ON.
1.
Set the DVD to the Stop Mode.
2.
Set the VOLUME to minimum.
3.
Press and hold the 'VOL. DOWN' button on the front panel.
4.
Simultaneously press and hold the '4' key on the remote control unit.
5.
Hold both keys for more than 1 second.
6.
The On Screen Display message 'INITALIZE5 COMPLETE' will appear.
7.
The 4 digit password has now been cleared.
8.
NB: The above procedure will reset ALL of the player's settings to the default factory state.
TRAY LOCK
Tray cannot be opened by setting the Tray Lock, please follow the steps below.
Turn Unit ON.
1.
Set the DVD to the Stop Mode.
2.
Press and hold the '9' key on the remote control unit.
3.
Simultaneously press and hold the 'STOP' key on the front panel.
4.
Hold both keys for more than 3 seconds.
5.
Press the OPEN/CLOSE key on the front panel to check the Tray Lock setting.
6.
NB: No indications on the screen when the Tray Lock is setting.
To unlock the Tray Lock, please follow the steps below.
Turn Unit ON.
1.
Set the DVD to the Stop Mode.
2.
Set the VOLUME to minimum.
3.
Press and hold the 'VOL. DOWN' button on the front panel.
4.
Simultaneously press and hold the '4' key on the remote control unit.
5.
Hold both keys for more than 1 second.
6.
The On Screen Display message 'INITALIZE5 COMPLETE' will appear.
7.
The Tray Lock has now been cleared.
8.
NB: The above procedure will reset ALL of the player's settings to the default factory state.
Auto Shut OffYes
Auto ClockNo
Just ClockNo
Auto CH MemoryYes
V-ChipUSA V-chipYes
CANADA V-chipNo
Auto SearchNo
SAPYes
Game PositionYes
FM TransmitterNo
Energy StarNo
Closed CaptionYes
Comb FilterNo
Protect of FBT Leak CircuitYes
Choke CoilNo
Power On MemoryNo
Parental Lock (DVD Only)Yes
Tray LockYes
Video CD PlaybackYes
SVCD Playback
Overlay Graphics And TextNo
Command ListNo
Entry Point JumpNo
MP3 PlaybackNo
WMA PlaybackNo
JPEG playbackNo
Digital Out(Dolby Digital)Yes
U/V MixerNo
300 ohm to 75 ohm Antenna AdapterYes
Antenna Change PlugNo
Guarantee CardNo
Registration CardYes
Warranty CardNo
ESP CardNo
Service Station ListNo
DC Car Cord (Center+)No
Sheet Information (Return)Yes
No
A3-5
GENERAL SPECIFICATIONS
(MD19N1R)
G-15InterfaceSwitchFrontPower (Tact)Yes
RearMain Power SWNo
IndicatorPowerYes (Red)
TerminalsFrontVideo InputRCA x 1
RearVideo InputNo
G-16Set SizeApprox. W x D x H (mm)489x465x486
G-17WeightNet (Approx.)21.5kg (47.4lbs)
Auto Shut OffYes
Auto ClockNo
Just ClockNo
Auto CH MemoryYes
V-ChipUSA V-chipNo
Auto SearchNo
SAPYes
Game PositionYes
FM TransmitterNo
Energy StarNo
Closed CaptionYes
Comb FilterNo
Protect of FBT Leak CircuitYes
Choke CoilNo
Power On MemoryNo
Parental Lock (DVD Only)Yes
Tray LockYes
Video CD PlaybackYes
SVCD Playback
MP3 PlaybackNo
WMA PlaybackNo
JPEG playbackNo
Digital Out(Dolby Digital)Yes
U/V MixerNo
300 ohm to 75 ohm Antenna AdapterYes
Antenna Change PlugNo
Guarantee CardNo
Registration CardYes
Warranty CardNo
ESP CardNo
Service Station ListYes
DC Car Cord (Center+)No
Sheet Information (Return)No
CANADA V-chipNo
No
Overlay Graphics And TextNo
Command ListNo
Entry Point JumpNo
(MPEG)Yes
(PCM)Yes
(DTS)Yes
(DTS)No
w/Guarantee CardYes
Buyer Model No.MD19N1C
UM size x pcsUM-4 x 2 pcs
OEM BrandNo
PolesNo
Terminal --
Terminal --
A3-11
GENERAL SPECIFICATIONS
(MD19N1C)
G-15InterfaceSwitchFrontPower (Tact)Yes
RearMain Power SWNo
IndicatorPowerYes (Red)
TerminalsFrontVideo InputRCA x 1
RearVideo InputNo
G-16Set SizeApprox. W x D x H (mm)489x465x486
G-17WeightNet (Approx.)21.5kg (47.4lbs)
Channel UpYes
Channel DownYes
Volume UpYes
Volume DownYes
PlayYes
Open/CloseYes
Skip(>>|)Yes
Skip(|<<)Yes
Still/PauseNo
StopYes
Main Power SWNo
Stand-byNo
On TimerNo
Audio InputRCA x 2(Stereo)
Other TerminalHead Phone
Audio InputNo
Video OutputNo
Audio OutputNo
Digital Audio OutputCoaxial (DVD Only)
DiversityNo
DC Jack 12V(Center +)No
VHF/UHF Antenna InputF Type
Gross (Approx.)24.5kg (54.0lbs)
Content--- Sets
Material--- / --Dimensions W x D x H(mm)--Description of Origin---
MaterialDouble/White
W/Color Photo LabelNo
Dimensions W x D x H(mm) 559x539x555
DesignAs Per Buyer 's
Description of OriginYes
Buyer Model No.MD19N1C
Height (cm)46
RearPS94V0 DECABROM
Jack Panel-
Eyelet DemandYes
OtherNo
A3-12
DISASSEMBLY INSTRUCTIONS
1.REMOVAL OF MECHANICAL PARTS
AND P.C. BOARDS
1-1: BACK CABINET (Refer to Fig. 1-1)
1.
Remove the 7 screws 1.
2.
Remove the screw 2 which are used for holding the Back
Cabinet.
3.
Remove the AC cord from the AC cord hook 3.
4.
Remove the Back Cabinet in the direction of arrow.
Front Cabinet
1
1
1
1
2
1-2: CRT PCB (Refer to Fig. 1-2)
CAUTION: BEFORE REMOVING THE ANODE CAP,
DISCHARGE ELECTRICITY BECAUSE IT
CONTAINS HIGH VOLTAGE.
BEFORE ATTEMPTING TO REMOVE OR
REPAIR ANY PCB, UNPLUG THE POWER
CORD FROM THE AC SOURCE.
1.
Remove the Anode Cap.
(Refer to REMOVAL OF ANODE CAP)
2.
Disconnect the following connector:
(CP801).
3.
Remove the CRT PCB in the direction of arrow.
Front Cabinet
1
1
3
Back Cabinet
1
CRT PCB
Fig. 1-1
1-3: AV PCB/DVD BLOCK (Refer to Fig. 1-3)
1.
Remove the 2 screws 1.
2.
Disconnect the following connectors:
(CP301, CP302, CP401 and CP3800).
3.
Remove the AV PCB/DVD Block in the direction of arrow.
1
Front Cabinet
AV PCB/DVD Block
1
1-4: DVD BLOCK (Refer to Fig. 1-4)
1.
Remove the 11 screws 1.
2.
Remove the Top Shield in the direction of arrow (A).
3.
Disconnect the following connectors:
(CP8001 and CP8002).
4.
Remove the 4 screws 2.
5.
Remove the DVD Block in the direction of arrow (B).
6.
Remove the screw 3.
7.
Remove the Jack Shield.
8.
Remove the AV PCB in the direction of arrow (C).
1
1
1
1
1
(A)
1
1
1
1
1
2
Top Shield
1
2
2
DVD Block
Fig. 1-3
Fig. 1-2
B1-1
AV PCB
Jack Shield
2
(B)
(C)
Bottom Plate
3
Fig. 1-4
DISASSEMBLY INSTRUCTIONS
1-5: DVD PCB/DVD DECK (Refer to Fig. 1-5)
1.
Make the short circuit on the position as shown Fig. 1-5
using a soldering. If you remove the DVD Deck with no
soldering, the Laser may be damaged.
2.
Unlock the 2 supports 1.
3.
Remove the Front Tray Plate in the direction of arrow (A).
4.
Disconnect the following connectors:
(CP2001, CP2301 and CP2302).
5.
Remove the 4 screws 2.
6.
Remove the DVD Deck in the direction of arrow (B).
7.
Remove the 4 screws 3.
8.
Remove the DVD PCB in the direction of arrow (C).
DVD Deck
1
(A)
2
3
DVD PCB
Front Tray Plate
1
2
3
3
2
2
(B)
3
(C)
Make the short circuit
using a soldering.
Deck Angle
Pick Up PCB
Fig. 1-5
NOTE
When the installation of the DVD Deck, remove all the
soldering on the short circuit position after the connection of
Pick Up PCB and DVD PCB connector.
B1-2
DISASSEMBLY INSTRUCTIONS
2. REMOVAL OF DVD DECK PARTS
NOTE
1. Do not disassemble the DVD DECK PARTS except listed
parts here. Minute adjustments are needed if the disassemble is done. If the repair is needed except listed parts,
replace the DVD MECHA ASS’Y.
2-1: TRAY (Refer to Fig. 2-1-A)
1.2.Set the Tray opened. (Refer to the DISC REMOVAL
METHOD AT NO POWER SUPPLY)
Unlock the support 1 and remove the Tray.
Tray
NOTE
1. In case of the Tray installation, install them as the circled
section of Fig. 2-1-B so that the each markers are met.
1
Main Frame Ass’y
Fig. 2-1-A
Tray
Main Chassis Ass’y
Rack Loading
Move it to the direction
of the arrow.
1
Main Frame Ass’y
2
3
5
6
4
6
Check Lock
4
Fig. 2-2-B
2-3: RACK LOADING/MAIN GEAR/ RACK LOADING
SPRING/ RACK L SPRING (Refer to Fig. 2-3)
1.
Remove the Rack L Spring.
2.
Press down the catcher 1 and slide the Rack Loading.
3.
Remove the Rack Loading, Rack Loading Spring and
Main Gear.
Rack Loading
Rack Loading Spring
Rack L Spring
Main Gear
5
Main Frame Ass’y
Fig. 2-1-B
2-2: MAIN CHASSIS ASS’Y (Refer to Fig. 2-2-A)
1.
Remove the Main Chassis Ass’y from the Insulator (R).
2.
Unlock the support 1.
3.
Remove the Main Chassis Ass’y.
Insulator (R)
(Green)
Main Frame Ass’y
Main Chassis Ass’y
1
Fig. 2-2-A
NOTE
1. In case of the Main Chassis Ass’y, install it from (1) to (6)
in order. (Refer to Fig. 2-2-B)
1
2-4: CLAMPER ASS’Y/INSULATOR(R)/LEVER SWITCH
(Refer to Fig. 2-4-A)
1.
Remove the screw 1.
2.
Remove the Lever Switch.
3.
Remove the 2 Insulator (R).
4.
Press the Clamper and rotate the Clamper Plate clockwise,
then unlock the 3 supports 2.
5.
Remove the Clamper Plate, Clamper Magnet and Clamper.
Insulator (R)
Clamper Plate
Clamper Magnet
Lever Switch
(Green)
2
1
2
2
Insulator (R)
(Green)
Clamper
B2-1
Main Frame Ass’y
Fig. 2-3
Main Frame
Fig. 2-4-A
DISASSEMBLY INSTRUCTIONS
NOTE
1.
When installing the Clamper Magnet, install it with the
green face up.
2.
When installing the wire of the Lever Switch, install it
correctly as Fig. 2-4-B.
3.
When installing the Lever Switch, install it correctly as
Fig. 2-4-C.
4.
In case of the Lever Switch installation, hook the wire on
the Main Frame as shown Fig. 2-4-D.
Lever Switch
Red
White
Blue
From DVD PCB
Fig. 2-4-B
The Lever should be position
between A and B.
Rack Loading
A
B
Fig. 2-4-C
Main Chassis Ass'y
Traverse Holder
Fig. 2-5-B
2-6: SWITCH PCB ASS'Y (Refer to Fig. 2-6-A)
Remove the screw 1.
1.
Remove the Switch PCB Ass'y.
2.
1
Switch PCB Ass'y
Main Chassis Ass'y
• Screw Torque: 4 ± 0.5kgf•cm
Fig. 2-6-A
NOTE
1.2.When installing the wire of the Switch PCB, install it
correctly as Fig. 2-6-B.
When installing the wire of the Switch PCB, while
pressing it in the direction of the arrow as shown Fig. 2-6B, then instal it.
Lever Switch
Fig. 2-4-D
2-5: TRAVERSE HOLDER/INSULATOR (F)
(Refer to Fig. 2-5-A)
1.2.Remove the Traverse Holder.
Remove the 2 Insulator (F).
Main Chassis Ass’y
Insulator (F)
(Black)
Traverse Holder
Insulator (F)
(Black)
Fig. 2-5-A
NOTE
1. After the installing of the Traverse Holder, check if the
wire is like Fig. 2-5-B.
Switch PCB Ass'y
Main Chassis Ass'y
2-7: RACK FEED ASS'Y (Refer to Fig. 2-7-A)
Remove the screw 1.
1.
Remove the Rack Feed 1/2 Spring, Rack Feed 1/2 and
2.
Rack Feed Lever.
1
Rack Feed 1 Spring
Rack Feed 2 Spring
Rack Feed Lever
Rack Feed 1
• Screw Torque: 3.5 ± 0.5kgf•cm
B2-2
Black
From Relay PCB
White
Rack Feed 2
Main Chassis Ass'y
Fig. 2-6-B
Fig. 2-7-A
DISASSEMBLY INSTRUCTIONS
NOTE
1.2.After the assembly of the Rack Feed, check if the Rack
Feed 1/2 is moving smoothly. (Refer to Fig. 2-7-B)
In case of the Rack Feed Ass’y installation, install correctly as Fig. 2-7-C.
Moving smoothly
Moving smoothly
Check the position of
the Rack Feed Lever.
Should not be engaged.
Fig. 2-7-B
Fig. 2-7-C
2-8: RELAY PCB ASS’Y (Refer to Fig. 2-8-A)
1.2.Remove the screw 1.
Remove the Relay PCB Ass’y.
2-9: GEAR (Refer to Fig. 2-9-A)
1.2.Unlock the support 1.
Remove the Middle Gear 1/2/3, Idler Gear and Feed Gear.
Middle Gear 2
Middle Gear 1
Middle Gear 3
Idler Gear
Main Chassis Ass’y
Feed Gear
Fig. 2-9-A
NOTE
1.2.In case of the Idler Gear installation, install correctly as
Fig. 2-9-B.
When installing the Middle Gear 2, check if the Middle
Gear 2 is locked correctly as Fig. 2-9-C.
[OK]
Idler Gear
[NG]
Idler Gear
Main Chassis Ass’y
Relay PCB Ass’y
• Screw Torque: 4 ± 0.5kgf•cm1
Fig. 2-8-A
NOTE
1. When installing the wire of the Relay PCB, install it
correctly as Fig. 2-8-B.
Idler Arm
Check Lock
Middle Gear 2
Idler Arm
2-10: IDLER ARM (Refer to Fig. 2-10-A)
1.
Remove the Idler Arm Spring.
2.
Remove the Chassis Spring.
3.
Remove the Idler Arm.
Idler Arm Spring
Idler Arm
Fig. 2-9-B
Fig. 2-9-C
Fig. 2-8-B
Main Chassis Ass’y
Chassis Spring
Fig. 2-10-A
B2-3
DISASSEMBLY INSTRUCTIONS
NOTE
1.
In case of the Idler Arm installation, install as the circled
section of Fig. 2-10-B.
2.
In case of the Idler Arm Spring installation, install as the
circled section of Fig. 2-10-C.
3.
In case of the Chassis Spring installation, install as the
circled section of Fig. 2-10-D.
Idler Arm
Main Chassis Ass’y
Fig. 2-10-B
Idler Arm Spring
11
Main Chassis Ass’y
Motor Gear
Feed Motor
• Screw Torque: 1 ± 0.5kgf•cm
Fig. 2-11-A
NOTE
1.2.In case of the Motor Gear installation, check if the value
of the Fig. 2-11-B is correct.
When installing the Feed Motor, check if the cable is
positioned as Fig. 2-11-C.
Motor Gear
Feed Motor
6.1 ± 0.1mm
Main Chassis Ass’y
Main Chassis Ass’y
2-11: FEED MOTOR (Refer to Fig. 2-11-A)
1.
Remove the 2 screws 1.
2.
Remove the Feed Motor.
3.
Remove the Motor Gear.
Fig. 2-10-C
Chassis Spring
Fig. 2-10-D
Safety surface for pressing
of the insert.
Main Chassis Ass’y
Pass the cable
between 2 pins.
Fig. 2-11-B
Feed Motor
Fig. 2-11-C
B2-4
DISASSEMBLY INSTRUCTIONS
3. REMOVAL OF ANODE CAP
Read the following NOTED items before starting work.
After turning the power off there might still be a potential
*
voltage that is very dangerous. When removing the
Anode Cap, make sure to discharge the Anode Cap's
potential voltage.
*
Do not use pliers to loosen or tighten the Anode Cap
terminal, this may cause the spring to be damaged.
REMOVAL
1. Follow the steps as follows to discharge the Anode Cap.
(Refer to Fig. 3-1.)
Connect one end of an Alligator Clip to the metal part of a
flat-blade screwdriver and the other end to ground.
While holding the plastic part of the insulated Screwdriver,
touch the support of the Anode with the tip of the
Screwdriver.
A cracking noise will be heard as the voltage is discharged.
GND on the CRT
3. After one side is removed, pull in the opposite direction to
remove the other.
NOTE
Take care not to damage the Rubber Cap.
INSTALLATION
1. Clean the spot where the cap was located with a small
amount of alcohol. (Refer to Fig. 3-3.)
NOTE
Confirm that there is no dirt, dust, etc. at the spot where
the cap was located.
Location of Anode Cap
Fig. 3-3
Screwdriver
Alligator Clip
GND on the CRT
Flip up the sides of the Rubber Cap in the direction of the
2.
arrow and remove one side of the support.
(Refer to Fig. 3-2.)
Rubber Cap
Support
CRT
Fig. 3-1
2.3.Arrange the wire of the Anode Cap and make sure the
wire is not twisted.
Turn over the Rubber Cap. (Refer to Fig. 3-4.)
Fig. 3-4
4. Insert one end of the Anode Support into the anode button,
then the other as shown in Fig. 3-5.
CRT
Support
Fig. 3-2
Support
CRT
5.6.Confirm that the Support is securely connected.
Put on the Rubber Cap without moving any parts.
B3-1
Fig. 3-5
DISASSEMBLY INSTRUCTIONS
4.
REMOVAL AND INSTALLATION OF FLAT
PACKAGE IC
REMOVAL
Put the Masking Tape (cotton tape) around the Flat
1.
Package IC to protect other parts from any damage.
(Refer to Fig. 4-1.)
NOTE
Masking is carried out on all the parts located within 10
mm distance from IC leads.
When IC starts moving back and forth easily after
3.
desoldering completely, pickup the corner of the IC using a
tweezers and remove the IC by moving with the IC
desoldering machine. (Refer to Fig. 4-3.)
NOTE
Some ICs on the PCB are affixed with glue, so be
careful not to break or damage the foil of each IC leads
or solder lands under the IC when removing it.
Blower type IC
desoldering
machine
Masking Tape
(Cotton Tape)
Heat the IC leads using a blower type IC desoldering
2.
IC
machine. (Refer to Fig. 4-2.)
NOTE
Do not add the rotating and the back and forth
directions force on the IC, until IC can move back and
forth easily after desoldering the IC leads completely.
Blower type IC
desoldering machine
Fig. 4-1
Tweezers
IC
Peel off the Masking Tape.4.
Absorb the solder left on the pattern using the Braided
5.
Shield Wire. (Refer to Fig. 4-4.)
NOTE
Do not move the Braided Shield Wire in the vertical
direction towards the IC pattern.
Fig. 4-3
Braided Shield Wire
Soldering Iron
IC
Fig. 4-2
IC pattern
Fig. 4-4
B4-1
DISASSEMBLY INSTRUCTIONS
INSTALLATION
Take care of the polarity of new IC and then install the new
1.
IC fitting on the printed circuit pattern. Then solder each
lead on the diagonal positions of IC temporarily.
(Refer to Fig. 4-5.)
Soldering Iron
Solder temporarily
Supply the solder from the upper position of IC leads
2.
sliding to the lower position of the IC leads.
(Refer to Fig. 4-6.)
Solder temporarily
Fig. 4-5
When bridge-soldering between terminals and/or the
4.
soldering amount are not enough, resolder using a Thin-tip
Soldering Iron. (Refer to Fig. 4-8.)
Thin-tip Soldering Iron
IC
Fig. 4-8
Finally, confirm the soldering status on four sides of the IC
5.
using a magnifying glass.
Confirm that no abnormality is found on the soldering
position and installation position of the parts around the IC.
If some abnormality is found, correct by resoldering.
NOTE
When the IC leads are bent during soldering and/or
repairing, do not repair the bending of leads. If the
bending of leads are repaired, the pattern may be
damaged. So, be always sure to replace the IC in this
case.
Soldering IronSolder
IC
Supply soldering
from upper position
to lower position
Fig. 4-6
Absorb the solder left on the lead using the Braided Shield
3.
Wire. (Refer to Fig. 4-7.)
NOTE
Do not absorb the solder to excess.
Soldering Iron
IC
Braided Shield Wire
Fig. 4-7
B4-2
SERVICE MODE LIST
This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily.
To enter to the SERVICE MODE function, press and hold both buttons simultaneously on the main unit and on the remote control
for more than a standard time (second).
Set Key
VOL. (-) MIN
VOL. (-) MIN1
VOL. (-) MIN4
VOL. (-) MIN6
VOL. (-) MIN8
VOL. (-) MIN9
Standard Time
(seconds)
0
1
1
1
1
1
Releasing of V-CHIP PASSWORD.1
Initialization of the factory on TV.
NOTE:
Initialization of the factory on DVD.
NOTE: Do not use this for the normal servicing.
POWER ON total hours are displayed on the screen.
Refer to the "PREVENTIVE CHECKS AND SERVICE INTERVALS"
(CONFIRMATION OF HOURS USED).
Can be checked of the INITIAL DATA of MEMORY IC.
Refer to the "WHEN REPLACING EEPROM (MEMORY) IC".
Writing of EEPROM initial data.
NOTE: Do not use this for the normal servicing.
Display of the Adjustment MENU on the screen.
Refer to the "ELECTRICAL ADJUSTMENT" (On-Screen Display
Adjustment).
Do not use this for the normal servicing.
If you set a factory initialization, the memories are reset such as the
channel setting, and the POWER ON total hours.
The function will only work at the DVD stop mode.
OperationsRemocon Key
Releasing of PARENTAL LOCK.
Refer to the “PARENTAL CONTROL - RATING LEVEL”.
STOP73
STOP93
NOTE:
Tray cannot be opened.
Refer to the “TRAY LOCK”.
NOTE:
The function will only work without the setting of DVD disc at
DVD mode.
While pressing the Remocon Key for more than the Standard
Time, press the Set Key simultaneously.
No indications on the screen when the Tray Lock is setting.
CONFIRMATION OF HOURS USED
POWER ON total hours can be checked on the screen. Total hours are displayed in 16 system of notation.
NOTE: If you set a factory initialization, the total hours is reset to "0".
1.
Set the VOLUME to minimum.
2.
Press both VOL. DOWN button on the set and Channel
button (6) on the remote control for more than 1 second.
3.
After the confirmation of using hours, turn off the power.
ADDRESS DATA
INIT 00 06
CRT ON 0010
FIG. 1
Initial setting content of MEMORY IC.
POWER ON total hours.
= (16 x 16 x 16 x thousands digit value)
+ (16 x 16 x hundreds digit value)
+ (16 x tens digit value)
+ (ones digit value)
C-1
WHEN REPLACING EEPROM (MEMORY) IC
If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to
ensure correct data settings while making reference to TABLE 1.
Press both VOL. DOWN button on the set and Channel button (6) on the remote control for more than 1 second.
ADDRESS and DATA should appear as FIG 1.
3.
ADDRESS is now selected and should "blink". Using the VOL. UP/DOWN button on the remote, step through the ADDRESS
until required ADDRESS to be changed is reached.
4.
Press ENTER to select DATA. When DATA is selected, it will "blink".
5.
Again, step through the DATA using VOL. UP/DOWN button until required DATA value has been selected.
6.
Pressing ENTER will take you back to ADDRESS for further selection if necessary.
7.
Repeat steps 3 to 6 until all data has been checked.
8.
When satisfied correct DATA has been entered, turn POWER off (return to STANDBY MODE) to finish DATA input.
50
INIT 00 06
CRT ON 0010
+A
(*1)0049400F4700
580002000000
Table 1
ADDRESS DATA
FIG. 1
+B+C+D+E+FINI
For USA
Data
01
00For CANADA
After the data input, set to the initializing of shipping.
9.
Turn POWER on.
10.
Press both VOL. DOWN button on the set and Channel button (1) on the remote control for more than 1 second.
11.
After the finishing of the initializing of shipping, the unit will turn off automatically.
The unit will now have the correct DATA for the new MEMORY IC.
C-2
ELECTRICAL ADJUSTMENTS
1.
BEFORE MAKING ELECTRICAL
ADJUSTMENTS
Read and perform these adjustments when repairing the
circuits or replacing electrical parts or PCB assemblies.
CAUTION
•
Use an isolation transformer when performing any service
on this chassis.
•
Before removing the anode cap, discharge electricity
because it contains high voltage.
•
When removing a PCB or related component, after
unfastening or changing a wire, be sure to put the wire
back in its original position.
•
When you exchange IC and Transistor for a heat sink,
apply the silicon grease on the contact section of the heat
sink. Before applying new silicon grease, remove all the old
silicon grease. (Old grease may cause damages to the IC
and Transistor).
Prepare the following measurement tools for electrical
adjustments.
1. Oscilloscope
2. Digital Voltmeter
3. AC Voltmeter
4. Pattern Generator
5. Multi-Sound Signal Generator
NO.
FUNCTION
01
OSD H
02
OSD CONTRAST
03
CUT OFF
04
H POSITION
05
H BLK L
06
H BLK R
07
V SIZE
08
V POSITION
09
V LINEARITY
10
V S CORRECTION
11
V COMP
12
R CUT OFF
13
G CUT OFF
14
B CUT OFF
15
R DRIVE
16
G DRIVE
17
B DRIVE
18
BRIGHTNESS(CENT.)
19
BRIGHTNESS(MAX)
20
BRIGHTNESS(MIN)
21
CONTRAST(CENT.)
22
CONTRAST(MAX)
23
CONTRAST(MIN)
24
COLOR(CENT.)
25
COLOR(MAX)
26
COLOR(MIN)
27
TINT
28
SHARPNESS
29
SUB BIAS
30
BRI. AV(CENT.)
31
BRI. AV(MAX)
32
BRI. AV(MIN)
33
CONT. AV(CENT.)
34
CONT. AV(MAX)
35
CONT. AV(MIN)
FUNCTION
NO.
36
COL. AV(CENT.)
37
COL. AV(MAX)
38
COL. AV(MIN)
39
TINT AV
40
SHARPNESS AV
41
SUB BIAS
42
BRI. DVD(CENT.)
43
BRI. DVD(MAX)
44
BRI. DVD(MIN)
45
CONT. DVD(CENT.)
46
CONT. DVD(MAX)
47
CONT. DVD(MIN)
48
COL. DVD(CENT.)
49
COL. DVD(MAX)
50
COL. DVD(MIN)
51
TINT DVD
52
SHARPNESS DVD
53
SUB BIAS
54
BRI. GAME(CENT.)
55
BRI. GAME(MAX)
56
BRI. GAME(MIN)
57
CONT. GAME(CENT.)
58
CONT. GAME(MAX)
59
CONT. GAME(MIN)
60
SUB BIAS
61
TUNING V MUTE
62
POWER ON V MUTE
63
INPUT LEVEL
64
SEPARATION L
65
SEPARATION H
66
TEST PWM
67
X-RAY TEST
68
H STOP
69
H FREQ
Fig. 1-2
On-Screen Display Adjustment
Set the VOLUME to minimum.
1.
Press the VOL. DOWN button on the set and the Channel
2.
button (9) on the remote control for more than 1 second
to appear the adjustment mode on the screen as shown
in Fig. 1-1.
Function
Step No.
01 OSD
12
Fig. 1-1
Use the Channel UP/DOWN button or Channel button (1-
3.
0) on the remote control to select the options shown in
Fig. 1-2.
Press the MENU button on the remote control to end the
4.
adjustments.
2. BASIC ADJUSTMENTS
2-1: CONSTANT VOLTAGE
1.
Set condition is AV MODE without signal.
2.
Using the remote control, set the brightness and contrast
to normal position.
3.
Connect the digital voltmeter to TP401.
4.
Adjust the VR3800 until the digital voltmeter is 135 ± 0.5V.
2-2: FOCUS
1.
Receive the monoscope pattern.
2.
Turn the Focus Volume fully counterclockwise once.
3.
Adjust the Focus Volume until picture is distinct.
2-3: CUT OFF
1.
Adjust the unit to the following settings.
R DRIVE=3F, G DRIVE=07, B DRIVE=3F, R CUT
OFF=7F, G CUT OFF=7F, B CUT OFF=7F
2.
Place the set with Aging Test for more than 15 minutes.
3.
Set condition is AV MODE without signal.
4.
Using the remote control, set the brightness and contrast
to normal position.
5.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (03) on the remote control to
select "CUT OFF".
6.
Adjust the Screen Volume until a dim raster is obtained.
D-1
ELECTRICAL ADJUSTMENTS
2-4: WHITE BALANCE
NOTE: Adjust after performing CUT OFF adjustment.
1.
Place the set with Aging Test for more than 15 minutes.
2.
Receive the gray scale pattern from the Pattern
Generator.
3.
Using the remote control, set the brightness and contrast
to normal position.
4.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (16) on the remote control to
select "G DRV".
5.
Press the CH. UP/DOWN button on the remote control to
select the "R CUT", "G CUT", "B CUT", "R DRV" or "B
DRV".
6.
Adjust the VOL. UP/DOWN button on the remote control
to whiten the R CUT, G CUT, B CUT, R DRV, and B DRV
at each step tone sections equally.
7.
Perform the above adjustments 5 and 6 until the white
color is looked like a white.
2-5: HORIZONTAL POSITION
1.
Receive the monoscope pattern.
2.
Using the remote control, set the brightness and contrast
to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (04) on the remote control to
select "HPOSI".
4.
Press the VOL. UP/DOWN button on the remote control
until the SHIFT quantity of the OVER SCAN on right and
left becomes minimum.
2-6: VERTICAL POSITION
1.
Receive the monoscope pattern.
2.
Using the remote control, set the brightness and contrast
to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (08) on the remote control to
select "VPOSI".
4.
Check if the step No. V POSI is "02".
5.
Adjust the VR401 until the horizontal line becomes fit
to notch of the shadow mask.
2-7: VERTICAL SIZE
1.
Receive the monoscope pattern.
2.
Using the remote control, set the brightness and contrast
to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (07) on the remote control to
select "VSIZE".
4.
Press the VOL. UP/DOWN button on the remote control
until the Up/Down OVER SCAN Quantity becomes equal
to the Right/Left OVER SCAN Quantity.
5.
Receive a broadcast and check if the picture is normal.
2-8: VERTICAL LINEARITY
NOTE:
1.
2.
3.
4.
2-9: SEPARATION
Please do the method (1) or method (2) adjustment.
Method (1)
1.
2.
3.
4.
5.
6.
7.
Method (2)
1.
2.
3.
4.
5.
6.
7.
8.
9.
Adjust after performing adjustments in section 2-7.
After the adjustment of Vertical Linearity, reconfirm
the Vertical Position and Vertical Size adjustments.
Receive the monoscope pattern.
Using the remote control, set the brightness and contrast
to normal position.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (09) on the remote control to
select "VLIN".
Press the VOL. UP/DOWN button on the remote control
until the SHIFT quantity of the OVER SCAN on upside
and downside becomes minimum.
Set the multi-sound signal generator for each different Lch and R-ch frequency (Ex. L-ch=2KHz, R-ch=400Hz)
and receive the RF signal.
Connect the oscilloscope to the Audio Out Jack.
Press the AUDIO button on the remote control to set to
the stereo mode.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (64) on the remote control to
select “SEPAL”.
Press the VOL. UP/DOWN button on the remote control
to adjust it until the audio output wave becomes a fine
sine wave.
Press the CH UP button 1 time to set to "SEPAH" mode.
Press the VOL. UP/DOWN button on the remote control
to adjust it until the audio output wave becomes a fine
sine wave.
Set the multi-sound signal generator L-ch=1KHz, R-ch
=Non input and receive the RF signal.
Connect the oscilloscope to the Audio Out Jack (R-ch).
Press the AUDIO button on the remote control to set to
the stereo mode.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (64) on the remote control to
select “SEPAL”.
Press the VOL. UP/DOWN button on the remote control
to adjust it until the R-ch output becomes minimum.
Press the CH UP button 1 time to set to "SEPAH" mode.
Press the VOL. UP/DOWN button on the remote control
to adjust it until the R-ch output becomes minimum.
Set the multi-sound signal generator L-ch=Non input,
R-ch=1KHz and receive the RF signal.
Connect the oscilloscope to the Audio Out Jack (L-ch).
Then perform the above adjustments 3~7.
D-2
ELECTRICAL ADJUSTMENTS
2-10: OSD HORIZONTAL
Activate the adjustment mode display of Fig. 1-1.
1.
Press the VOL. UP/DOWN button on the remote control
2.
until the difference of A and B becomes minimum.
(Refer to Fig. 2-1)
01 OSD
12
A
2-11: LEVEL
1.
Receive the VHF HIGH (70dB).
2.
Connect the AC voltmeter to pin 6 of CP101.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (63) on the remote control to
select "LVL".
4.
Press the VOL. UP/DOWN button on the remote control
until the AC voltmeter is 75 ± 2mV.
2-12: BRIGHT CENTER
1.
Receive the monoscope pattern. (RF Input)
2.
Using the remote control, set the brightness and contrast
to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (18) on the remote control to
select "BRTC".
4.
Press the VOL. UP/DOWN button on the remote control
until the white 15% is starting to be visible
5.
Receive the monoscope pattern. (Audio Video Input)
6.
Press the INPUT SELECT button on the remote control
to set to the AV mode.
7.
Using the remote control, set the brightness and contrast
to normal position.
8.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (30) on the remote control to
select "BRTCA".
9.
Press the VOL. UP/DOWN button on the remote control
until the white 15% is starting to be visible
10.
Press the TV/DVD button on the remote control to set to
the DVD mode.
11.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (42) on the remote control to
select "BRTCD".
12.
Press the VOL. UP/DOWN button on the remote control
to set the same step numbers as the AV.
13.
Press the GAME button on the remote control to set to
the GAME mode.
14.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (54) on the remote control to
select "BRTCG".
15.
Press the VOL. UP/DOWN button on the remote control
to set the same step numbers as the AV.
B
Fig. 2-1
2-13: TINT CENTER
1.
Receive the color bar pattern. (RF Input)
2.
Using the remote control, set the brightness, contrast,
color and tint to normal position.
3.
Connect the oscilloscope to TP024.
4.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (27) on the remote control to
select "TNTC".
5.
Press the VOL. UP/DOWN button on the remote control
until the section "A" becomes a straight line.
(Refer to Fig. 2-2)
6.
Receive the color bar pattern. (Audio Video Input)
7.
Press the INPUT SELECT button on the remote control
to set to the AV mode.
8.
Using the remote control, set the brightness, contrast,
color and tint to normal position.
9.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (39) on the remote control to
select "TNTCA".
10.
Press the VOL. UP/DOWN button on the remote control
until the section "A" becomes a straight line.
(Refer to Fig. 2-2)
11.
Press the TV/DVD button on the remote control to set to
the DVD mode.
12.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (51) on the remote control to
select "TNTCD".
13.
Press the VOL. UP/DOWN button on the remote control
to set the same step numbers as the AV.
D-3
"A"
Fig. 2-2
ELECTRICAL ADJUSTMENTS
2-14: COLOR CENTER
1.
Receive the color bar pattern. (RF Input)
2.
Using the remote control, set the brightness, contrast,
color and tint to normal position.
3.
Connect the oscilloscope to TP022.
4.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (24) on the remote control to
select "COLC".
5.
Adjust the VOLTS RANGE VARIABLE knob of the
oscilloscope until the range between white 100% and 0%
is set to 4 scales on the screen of the oscilloscope.
6.
Press the VOL. UP/DOWN button on the remote control
until the red color level is adjusted to 110 ± 10% of the
white level. (Refer to Fig. 2-3)
7.
Receive the color bar pattern. (Audio Video Input)
8.
Press the INPUT SELECT button on the remote control
to set to the AV mode.
9.
Using the remote control, set the brightness, contrast,
color and tint to normal position.
10.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (36) on the remote control to
select "COLCA".
11.
Adjust the VOLTS RANGE VARIABLE knob of the
oscilloscope until the range between white 100% and 0%
is set to 4 scales on the screen of the oscilloscope.
12.
Press the VOL. UP/DOWN button on the remote control
until the red color level is adjusted to 110 ± 10% of the
white level. (Refer to Fig. 2-3)
13.
Press the TV/DVD button on the remote control to set to
the DVD mode.
14.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (48) on the remote control to
select "COLCD".
15.
Press the VOL. UP/DOWN button on the remote control
to decrease the step numbers by 10 steps to the AV.
White 0%
100%
White 100%
Red Level
Fig. 2-3
2-15: CONTRAST MAX
Activate the adjustment mode display of Fig. 1-1 and
1.
press the channel button (22) on the remote control to
select "CNTX".
Press the VOL. UP/DOWN button on the remote control
2.
until the contrast step No. becomes "5A"
Receive a broadcast and check if the picture is normal.
3.
Press the INPUT SELECT button on the remote control
4.
to set to the AV mode.
Activate the adjustment mode display of Fig. 1-1 and
5.
press the channel button (34) on the remote control to
select "CNTXA".
Press the VOL. UP/DOWN button on the remote control
6.
until the contrast step No. becomes "5A"
Receive a broadcast and check if the picture is normal.
7.
Press the TV/DVD button on the remote control to set to
8.
the DVD mode.
Activate the adjustment mode display of Fig. 1-1 and
9.
press the channel button (46) on the remote control to
select "CNTXD".
Press the VOL. UP/DOWN button on the remote control
10.
to set the same step numbers as the AV.
Press the GAME button on the remote control to set to
11.
the GAME mode.
Activate the adjustment mode display of Fig. 1-1 and
12.
press the channel button (58) on the remote control to
select "CNTXG".
Press the VOL. UP/DOWN button on the remote control
13.
to set the same step numbers as the AV.
2-16: Confirmation of Fixed Value (Step No.)
Please check if the fixed values of the each adjustment
items are set correctly referring below.
Turn the unit on and let it warm up for at least 30
1.
minutes before performing the following adjustments.
Place the CRT surface facing east or west to reduce the
2.
terrestrial magnetism.
Turn ON the unit and demagnetize with a Degauss Coil.
3.
3-1: STATIC CONVERGENCE (ROUGH ADJUSTMENT)
1.
Tighten the screw for the magnet. Refer to the adjusted
CRT for the position. (Refer to Fig. 3-1)
If the deflection yoke and magnet are in one body,
untighten the screw for the body.
2.
Receive the green raster pattern from the color bar
generator.
3.
Slide the deflection yoke until it touches the funnel
side of the CRT.
4.
Adjust center of screen to green, with red and blue on the
sides, using the pair of purity magnets.
5.
Switch the color bar generator from the green raster
pattern to the crosshatch pattern.
6.
Combine red and blue of the 3 color crosshatch pattern
on the center of the screen by adjusting the pair of
4 pole magnets.
7.
Combine red/blue (magenta) and green by adjusting the
pair of 6 pole magnets.
8.
Adjust the crosshatch pattern to change to white
by repeating steps 6 and 7.
3-2: PURITY
NOTE
Adjust after performing adjustments in section 3-1.
3-3: STATIC CONVERGENCE
NOTE
Adjust after performing adjustments in section 3-2.
1.
Receive the crosshatch pattern from the color bar
generator.
2.
Combine red and blue of the 3 color crosshatch pattern
on the center of the screen by adjusting the pair of
4 pole magnets.
3.
Combine red/blue (magenta) and green by adjusting the
pair of 6 pole magnets.
3-4: DYNAMIC CONVERGENCE
NOTE
Adjust after performing adjustments in section 3-3.
1.2.Adjust the differences around the screen by moving
the deflection yoke upward/downward and right/left.
(Refer to Fig. 3-2-a)
Insert three wedges between the deflection yoke and
CRT funnel to fix the deflection yoke.
(Refer to Fig. 3-2-b)
R G B
R
G
B
UPWARD/DOWNWARD SLANT RIGHT/LEFT SLANT
R
G
B
Fig. 3-2-a
R G B
1.
Receive the green raster pattern from color bar
generator.
2.
Adjust the pair of purity magnets to center the
color on the screen.
Adjust the pair of purity magnets so the color at the
ends are equally wide.
3.
Move the deflection yoke backward (to neck side)
slowly, and stop it at the position when the whole
screen is green.
4.
Confirm red and blue colors.
5.
Adjust the slant of the deflection yoke while watching the
screen, then tighten the fixing screw.